Physics A periscope works on the principle of Diffraction Total internal reflection Reflection Refraction Diffraction Total internal reflection Reflection Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics To measure the speed of an approaching car a police officer shines Radio waves on it Ultra high frequency waves on it Microwaves on it Light waves on it Radio waves on it Ultra high frequency waves on it Microwaves on it Light waves on it ANSWER DOWNLOAD EXAMIANS APP
Physics The domain theory of magnetism applies to Cobalt Aluminium Copper Silver Cobalt Aluminium Copper Silver ANSWER DOWNLOAD EXAMIANS APP
Physics A galvanometer can be converted to a voltmeter by connecting A low resistance in parallel A high resistance in series A low resistance in series A high resistance in parallel A low resistance in parallel A high resistance in series A low resistance in series A high resistance in parallel ANSWER DOWNLOAD EXAMIANS APP
Physics If the length of a simple pendulum is halved then its period of oscillation is Decreased by a factor 2 Increased by a factor 2 Halved Doubled Decreased by a factor 2 Increased by a factor 2 Halved Doubled ANSWER DOWNLOAD EXAMIANS APP
Physics Sound produced at a point is heard by a person after 5 second, while the same sound is heard by another person after 6 seconds. If the speed of sound is 300 m/s, what could be the maximum and minimum distances between the two persons? 3.3 km, 0.30 km 1.8 km, 0.15 km 2.8 km, 0.25 km 2.2 km, 0.20 km 3.3 km, 0.30 km 1.8 km, 0.15 km 2.8 km, 0.25 km 2.2 km, 0.20 km ANSWER DOWNLOAD EXAMIANS APP
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